SmartServe Ontario Practice Exam

The correct answer is comprehensive because a Blood Alcohol Concentration (BAC) chart takes into account multiple factors that influence an individual's level of intoxication.

Time is essential because the longer a person processes alcohol, the lower their BAC will become. The rate of metabolism for alcohol in the body affects how quickly someone can sober up.

Weight is another significant factor, as individuals with lower body weights typically experience higher BAC levels from the same amount of alcohol than heavier individuals. This is due to the distribution of alcohol in body water, which varies with weight.

The number of drinks consumed directly correlates with BAC; more drinks lead to higher levels of alcohol in the bloodstream.

Combining these elements—time, weight, and number of drinks consumed—provides a more accurate estimation of an individual's BAC, which is why it is essential to consider all these factors together when using a BAC chart.